| 000 | 00387nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aByers, H.G. and Others | ||
| 245 | _aSelenium occurrence in certain soils in the united states with a discussion of r | ||
| 260 |
_aWashington _c1938 |
||
| 300 | _a1-74 p. | ||
| 440 | _aUnited States Department of A | ||
| 901 | _a4289 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c765 _d765 |
||